TV best bets: Thursday, April 24

8 p.m., CW: The Vampire Diaries — Stefan (Paul Wesley) tries to distract Elena (Nina Dobrev) from obsessing over Damon (Ian Somerhalder). Jeremy and Matt (Steven R. McQueen, Zach Roerig) admit to Damon that the Traveler knife is missing. Enzo (Michael Malarkey) makes a dangerous decision that leads to a violent confrontation with Stefan. Markos (Raffi Barsoumian) asks Sloan (Caitlin McHugh) for help with a ritual to break a curse against the Travelers.

8 p.m., NBC: Parks and Recreation — Leslie (Amy Poehler) makes a major decision about her future as she heads for a national parks conference in San Francisco with Ben and Andy (Adam Scott, Chris Pratt). Tom (Aziz Ansari) opens his restaurant. Rick (Nick Offerman) has another encounter with Tammy 2 (Megan Mullally). Andy experiences a rock-and-roll fantasy in the season finale, "Moving Up." Aubrey Plaza also stars.

8:31 p.m., CBS: The Millers — Tom (Beau Bridges) proudly announces to the family that he has a new girlfriend — and she's much younger than he is. This raises a red flag with Nathan (Will Arnett), who goes under cover to spy on his dad and make sure this isn't some gold digger who's gotten him in her clutches. Margo Martindale also stars in the new episode "0072."

10 p.m., ANIMAL PLANET: Ice Cold Gold — The elements and the danger are taking their toll on the miners in this new episode. Two of them are looking at the possibility of being stranded above the Arctic Circle for the winter, while others are in jeopardy from landslides and an unstable glacier. The tension boils over at a chaotic meeting in "The Beast Within."

TV best bets: Thursday, April 24

8 p.m., CW: The Vampire Diaries — Stefan (Paul Wesley) tries to distract Elena (Nina Dobrev) from obsessing over Damon (Ian Somerhalder). Jeremy and Matt (Steven R. McQueen, Zach Roerig) admit to Damon that the Traveler knife is missing. Enzo (Michael Malarkey) makes a dangerous decision that leads to a violent confrontation with Stefan. Markos (Raffi Barsoumian) asks Sloan (Caitlin McHugh) for help with a ritual to break a curse against the Travelers.

8 p.m., NBC: Parks and Recreation — Leslie (Amy Poehler) makes a major decision about her future as she heads for a national parks conference in San Francisco with Ben and Andy (Adam Scott, Chris Pratt). Tom (Aziz Ansari) opens his restaurant. Rick (Nick Offerman) has another encounter with Tammy 2 (Megan Mullally). Andy experiences a rock-and-roll fantasy in the season finale, "Moving Up." Aubrey Plaza also stars.

8:31 p.m., CBS: The Millers — Tom (Beau Bridges) proudly announces to the family that he has a new girlfriend — and she's much younger than he is. This raises a red flag with Nathan (Will Arnett), who goes under cover to spy on his dad and make sure this isn't some gold digger who's gotten him in her clutches. Margo Martindale also stars in the new episode "0072."

10 p.m., ANIMAL PLANET: Ice Cold Gold — The elements and the danger are taking their toll on the miners in this new episode. Two of them are looking at the possibility of being stranded above the Arctic Circle for the winter, while others are in jeopardy from landslides and an unstable glacier. The tension boils over at a chaotic meeting in "The Beast Within."